220881534216 has 32 divisors (see below), whose sum is σ = 631090098240. Its totient is φ = 63109009728.

The previous prime is 220881534187. The next prime is 220881534229. The reversal of 220881534216 is 612435188022.

It is a super-2 number, since 2×220881534216² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657385351 + ... + 657385686.

It is an arithmetic number, because the mean of its divisors is an integer number (19721565570).

Almost surely, 2^220881534216 is an apocalyptic number.

It is an amenable number.

220881534216 is an abundant number, since it is smaller than the sum of its proper divisors (410208564024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220881534216 is a wasteful number, since it uses less digits than its factorization.

220881534216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314771053 (or 1314771049 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 220881534216 in words is "two hundred twenty billion, eight hundred eighty-one million, five hundred thirty-four thousand, two hundred sixteen".